SBR Barrels & Upper Receivers

CMMG BBL AND BCG KIT 8" 5.7X28MM

CMMG

ANGSTADT CMPLT UPPR 9MM 6" SUP RDY

Angstadt Arms

COLT LE6921 UPPER 556NATO 14.5"

Colt's Manufacturing

BAD 10.5 UPPR WRKHORSE 556 AMBI GRAY

Battle Arms Development

LBE AR 5.56NATO 1/7 TWIST 13.7" BLK

LBE Unlimited

NOVESKE BARREL 556 12.5 LEONIDAS STS

Noveske

SOLGW PREC V2 BBL 223 WYLDE 14.5"

Sons of Liberty Gun Works

BALLISTIC BBL 300BLK 8.3" PREMIUM

Ballistic Advantage

FAXON MATCH BBL 300BLK 6" GNNR

Faxon Firearms

BALLISTIC BBL 5.56 13.7" HNSN W/LPGB

Ballistic Advantage

ROSCO BL BBL 14.5" 5.56 1/7

Rosco Manufacturing

GE SUPER DUTY MOD1 5.56 11.5 URG DDC

Geissele Automatics

BALLISTIC BBL 300BLK 10.3" PREMIUM

Ballistic Advantage

CMMG BBL BCG KIT 5" 9MM 4140CM SBN

CMMG

NOVESKE BARREL 6MM ARC 18" SPR SS

Noveske

FAXON BBL 8.6BLK 12" BIG GUNNER

Faxon Firearms

BALLISTIC BBL 556 14.5" CHF HNSH MID

Ballistic Advantage

DBB BBL 300 BLK 10.5" PSTL BLK

Diamondback Barrels

AERO M4E1-T UPPER 300BLK 8" FDE

Aero Precision

DD BBL ASSY 5.56 1-7 CHF 11.5" GOV C

Daniel Defense

ROSCO BL BBL 8.2" 300BLK HB 1/7

Rosco Manufacturing

AERO M4E1-T UPPER 5.56 14.5" BLK

Aero Precision

FN BBL AR15 HF 14.5" CARBINE 556NATO

FN America

FAXON DUTY BBL 556NATO 12.5" MID GNR

Faxon Firearms

SOLGW V2 BBL 5.56NATO 10.5" CARB BLK

Sons of Liberty Gun Works

LUTH AR 11.5" LGHTWGHT BBL W/FSB

Luth-AR

GE SUPER DUTY MOD1 5.56 12.5 URG DDC

Geissele Automatics

SOLGW L89 BS V2 5.56 11.5" A2 BLK

Sons of Liberty Gun Works

NOVESKE CHAINSAW 300BLK 10" MLOK UPR

Noveske

BALLISTIC BBL 300BLK 10.5" DRP

Ballistic Advantage

BALLISTIC BBL 5.56 14.5" MID GOV 1/7

Ballistic Advantage

LBE READY BUILD KIT 7.5" CHF BBL

LBE Unlimited

SOLGW L89 BS V2 5.56 14.5" HUX BLK

Sons of Liberty Gun Works

NOVESKE BARREL 6MM ARC 12.5" SS

Noveske

BALLISTIC BBL 5.56 13.9" MID GOV 1/7

Ballistic Advantage

FAXON MATCH BBL 338ARC 9" GNNR

Faxon Firearms

DD M4 UPPER 300BLK 10.3" BLKT UPPER

Daniel Defense

FAXON ARAK-21 556NATO 12.5" UPPER

Faxon Firearms

LBE AR 5.56NATO 1/7 TWIST 12.5" BLK

LBE Unlimited

ROSCO K9 12.5" 556NATO SAUCE PACK

Rosco Manufacturing

SEEKINS BBL 10.5" 300BLK BLK

Seekins Precision

ROSCO PB 14.5" 223WYLDE SAUCE PACK

Rosco Manufacturing

BALLISTIC BBL 300BLK 10.3" HNSN LPGB

Ballistic Advantage

DD BBL ASSY 300BLK 1-8 CHF 10.3"

Daniel Defense

FAXON MATCH BBL 300BLK 7.5" GNR

Faxon Firearms

CMMG BBL 300BLK 8" 4140CM SBN

CMMG

ROSCO PB BBL 14.5" 223WYLDE

Rosco Manufacturing

ANGSTADT MDP-9 CMPLT UPPR 9MM 6" BLK

Angstadt Arms

PWS MK1MOD1 UPPER 223WYLDE 11.85"

Primary Weapons Systems

ROSCO PUREBRED BBL 6MM ARC 14.5 STS

Rosco Manufacturing

ROSCO PB BBL SAUCE PACK 13.7" 223WYL

Rosco Manufacturing

COLT EPR UPPER KIT 5.56 11.5" BLK

Colt's Manufacturing

BALLISTIC BBL 5.56 13.9" HNSN W/LPGB

Ballistic Advantage

PWS MK109 MOD 1-M UPPER 300BLK 9.75"

Primary Weapons Systems

MAXIM PDX UPPER 300BLK 5.5" ARID

Maxim Defense Industries

SOLGW L89 V2 5.56 11.5" A2 BLK

Sons of Liberty Gun Works

SPIKE'S BBL 5.56 11.5" FN CHF M4 EXT

Spike's Tactical

GE SUPER DUTY MOD1 5.56 10.3 URG BLK

Geissele Automatics

BAD 10.5 UPPR AUTH ELITE 556 C BLK

Battle Arms Development

ROSCO BL 14.5 556NATO SAUCE PACK

Rosco Manufacturing

LANTAC 14.5" 300 BLACKOUT BARREL BLK

LanTac USA LLC

NOVESKE BARREL 300BLK 10.5" SS

Noveske

ODIN BBL 300 BLK 8" MED PROF BLK

Odin Works

ROSCO BL BBL SAUCE PACK 12.5" 5.56

Rosco Manufacturing

NOVESKE BARREL AFGHAN 14.5" 5.56 SS

Noveske

BALLISTIC BBL 86BLK 12" DRP PST PR B

Ballistic Advantage

LBE AR 5.56NATO 1/7 TWIST 14.5" BLK

LBE Unlimited

ROSCO BL BBL SAUCE PACK 10.5" 5.56

Rosco Manufacturing

DD BBL ASSY 5.56 1-7 CHF 14.5" GOV M

Daniel Defense

WMD 9MM 5.5" NITROMET BARREL

WMD Guns

LBE READY BUILD KIT 14.5" CHF BBL

LBE Unlimited

NOVESKE BARREL CQB 5.56 10.5" SS

Noveske

CMMG BBL BCG KIT 8" 9MM 4140CM SBN

CMMG

FAXON DUTY BBL 556NATO 10.5" PENCIL

Faxon Firearms

NOVESKE CHAINSAW 556 10.5" MLOK UPPR

Noveske

SOLGW E INDIA KIT V2 5.56 11.5" BLK

Sons of Liberty Gun Works

ROSCO BL BBL 5.5" 9MM 1/10

Rosco Manufacturing

BALLISTIC BBL 300BLK 14.5" MODERN

Ballistic Advantage

NOVESKE BARREL 5.56 11.5" STS

Noveske

AERO CMPLT UPPER 5.56 10.5" MOE FDE

Aero Precision

WILSON BBL SBR 556NATO 11.3" STS

Wilson Combat

BAD 10.5 UPR WRKHORSE 556AMBI C BLK

Battle Arms Development

FAXON DUTY BBL 556NATO 13.9" MID GNR

Faxon Firearms

LANTAC PATROL UPPER 223 WYLDE 14.5"

LanTac USA LLC

LBE READY BUILD KIT 12.5" CHF BBL

LBE Unlimited

BALLISTIC BBL 5.56 10.3" CLASSIC SRS

Ballistic Advantage

ROSCO 14.5" GVT 5.56 NATO

Rosco Manufacturing

BALLISTIC BBL 300BLK 9" RIGID 1/7

Ballistic Advantage

FAXON MATCH BBL 338ARC 12.5" GNNR

Faxon Firearms

BAD 10.5 UPPR AUTH ELITE 556 C GRAY

Battle Arms Development

FAXON DUTY BBL 300BLK 10.5" GNNR BLK

Faxon Firearms

PWS MK109 MOD 2-M UPPER 300BLK 9.75"

Primary Weapons Systems

COLT EPR UPPER KIT 5.56 14.5" BLK

Colt's Manufacturing

FAXON DUTY BBL 556NATO 11.5" MID GNR

Faxon Firearms

BALLISTIC BBL 8.6BLK 8" DRP PST PR B

Ballistic Advantage

BALLISTIC BBL 5.56 10.5" CAR GOV 1/7

Ballistic Advantage

AERO M4E1-T UPPER 5.56 10.5" BLK

Aero Precision

AERO M4E1-T UPPER 5.56 14.5" FDE

Aero Precision

GE SUPER DUTY MOD1 5.56 11.5 URG BLK

Geissele Automatics

ANGSTADT 9MM 6" AR BARREL 1/2X28

Angstadt Arms